<?php

$cars = array("Suzhen","Wufenglan","Zengxuan");
echo $cars[1];
$cars[2] = "Audi";

echo "<pre>";
print_r($cars);
echo count($cars);

echo"<hr/>";
echo"foreach::::.<br/>";
foreach ($cars as $value){
    echo $value."<br/>";
    
}
echo "<hr/>";
echo"for.<br/>";
$len = count($cars);
for ($i = 0;$i < $len;$i++){
    echo $cars[$i]."<br/>";
}


?>
